From a36bd6f4555cf410712611b5efcb82fdf5898551 Mon Sep 17 00:00:00 2001
From: Andreas Unterkircher <unki@netshadow.at>
Date: Sun, 22 Jul 2007 07:31:40 +0000
Subject: [PATCH] issue46, slideshow control (rew, pause/play/stop, fwd)

git-svn-id: file:///var/lib/svn/phpfspot/trunk@239 fa6a889d-dae6-447d-9e79-4ba9a3039384
---
 phpfspot.class.php                     |  31 ++++++++++++++++++++-
 phpfspot.js                            |  36 ++++++++++++++++++++++---
 resources/32_fwd.png                   | Bin 0 -> 1017 bytes
 resources/32_rew.png                   | Bin 0 -> 1013 bytes
 resources/32_stop.png                  | Bin 0 -> 259 bytes
 rpc.php                                |   4 +++
 themes/default/templates/slideshow.tpl |   6 +++++
 7 files changed, 73 insertions(+), 4 deletions(-)
 create mode 100644 resources/32_fwd.png
 create mode 100644 resources/32_rew.png
 create mode 100644 resources/32_stop.png

diff --git a/phpfspot.class.php b/phpfspot.class.php
index 825f92d..2a28135 100644
--- a/phpfspot.class.php
+++ b/phpfspot.class.php
@@ -105,6 +105,7 @@ class PHPFSPOT {
       $this->tmpl->assign('searchfor', $_SESSION['searchfor']);
       $this->tmpl->assign('page_title', $this->cfg->page_title);
       $this->tmpl->assign('current_condition', $_SESSION['tag_condition']);
+      $this->tmpl->assign('template_path', 'themes/'. $this->cfg->theme_name);
 
       $_SESSION['start_action'] = $_GET['mode'];
 
@@ -150,7 +151,6 @@ class PHPFSPOT {
       $this->tmpl->assign('to_date', $this->get_calendar('to'));
       $this->tmpl->assign('sort_field', $this->get_sort_field());
       $this->tmpl->assign('content_page', 'welcome.tpl');
-      $this->tmpl->assign('template_path', 'themes/'. $this->cfg->theme_name);
       $this->tmpl->show("index.tpl");
 
 
@@ -1666,6 +1666,12 @@ class PHPFSPOT {
 
    } // get_sort_order()
 
+   /***
+     * return the next to be shown slide show image
+     *
+     * this function returns the URL of the next image
+     * in the slideshow sequence.
+     */
    public function getNextSlideShowImage()
    {
       $all_photos = $this->getPhotoSelection();
@@ -1683,6 +1689,29 @@ class PHPFSPOT {
 
    } // getNextSlideShowImage()
 
+   /***
+     * return the previous to be shown slide show image
+     *
+     * this function returns the URL of the previous image
+     * in the slideshow sequence.
+     */
+   public function getPrevSlideShowImage()
+   {
+      $all_photos = $this->getPhotoSelection();
+
+      if(!isset($_SESSION['slideshow_img']) || $_SESSION['slideshow_img'] == 0)
+         $_SESSION['slideshow_img'] = 0;
+      else
+         $_SESSION['slideshow_img']--;
+
+      $server_name = $_SERVER['SERVER_NAME'];
+      if(!isset($_SERVER['HTTPS'])) $protocol = "http";
+      else $protocol = "https";
+
+      return $protocol ."://". $server_name . $this->cfg->web_path ."phpfspot_img.php?idx=". $all_photos[$_SESSION['slideshow_img']] ."&width=". $this->cfg->photo_width;
+
+   } // getPrevSlideShowImage()
+
    public function resetSlideShow()
    {
       if(isset($_SESSION['slideshow_img']))
diff --git a/phpfspot.js b/phpfspot.js
index 6bc0d2c..1e074bb 100644
--- a/phpfspot.js
+++ b/phpfspot.js
@@ -302,9 +302,17 @@ function preloadPhotos(lbImg) {
 
 function startSlideShow()
 {
-   HTML_AJAX.grab(encodeURI('rpc.php?action=reset_slideshow'));
-   nextSlide();
-   setInterval("nextSlide()", 3000);
+   if(!sliding) {
+      HTML_AJAX.grab(encodeURI('rpc.php?action=reset_slideshow'));
+      nextSlide();
+      sliding = setInterval("nextSlide()", 3000);
+      document.getElementById('stop_ico').src = "resources/32_stop.png";
+   }
+   else {
+      clearInterval(sliding);
+      sliding = 0;
+      document.getElementById('stop_ico').src = "resources/32_play.png";
+   }
 }
 
 function nextSlide()
@@ -313,6 +321,26 @@ function nextSlide()
    document.getElementById('slide_img').src = next_img;
 }
 
+function prevSlide()
+{
+   prev_img = HTML_AJAX.grab(encodeURI('rpc.php?action=get_prev_slideshow_img'));
+   document.getElementById('slide_img').src = prev_img;
+}
+
+function pauseSlideShow()
+{
+   if(!sliding_paused) {
+      sliding_paused = 1;
+      clearInterval(sliding);
+      document.getElementById('pause_ico').src = "resources/32_play.png";
+   }
+   else {
+      sliding_paused = 0;
+      sliding = setInterval("nextSlide()", 3000);
+      document.getElementById('pause_ico').src = "resources/32_pause.png";
+   }
+} 
+
 function startAutoBrowse()
 {
    if(!autobrowse) {
@@ -339,3 +367,5 @@ var startup = 1;
 var calendar_shown = 0;
 var calendar_mode = '';
 var autobrowse = 0;
+var sliding = 0;
+var sliding_paused = 0;
diff --git a/resources/32_fwd.png b/resources/32_fwd.png
new file mode 100644
index 0000000000000000000000000000000000000000..128920e2994825131d08202acccde27ca9c49d3a
GIT binary patch
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literal 0
HcmV?d00001

diff --git a/resources/32_rew.png b/resources/32_rew.png
new file mode 100644
index 0000000000000000000000000000000000000000..d94192d3c607499db49038ea0650f775268cd5fe
GIT binary patch
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literal 0
HcmV?d00001

diff --git a/resources/32_stop.png b/resources/32_stop.png
new file mode 100644
index 0000000000000000000000000000000000000000..4d88e48421e80dd1dc0616e79c5522492f1a3ff3
GIT binary patch
literal 259
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literal 0
HcmV?d00001

diff --git a/rpc.php b/rpc.php
index d5a7e8f..b691bd8 100644
--- a/rpc.php
+++ b/rpc.php
@@ -121,6 +121,10 @@ class PHPFSPOT_RPC {
          case 'get_next_slideshow_img':
             print $fspot->getNextSlideShowImage();
             break;
+         
+         case 'get_prev_slideshow_img':
+            print $fspot->getPrevSlideShowImage();
+            break;
 
       }
 
diff --git a/themes/default/templates/slideshow.tpl b/themes/default/templates/slideshow.tpl
index bba5cd2..3d0ab27 100644
--- a/themes/default/templates/slideshow.tpl
+++ b/themes/default/templates/slideshow.tpl
@@ -5,5 +5,11 @@
     <img id="slide_img" alt="slideshow_img" />
    </a>
   </div>
+  <div style="margin: 0 auto; padding: 10px;">
+   <a href="javascript:prevSlide();" onclick="click(this);" title="slive to previous photo"><img id="rew_ico" src="resources/32_rew.png" /></a>
+   <a href="javascript:pauseSlideShow();" onclick="click(this);"><img id="pause_ico" src="resources/32_pause.png" /></a>
+   <a href="javascript:startSlideShow();" onclick="click(this);" title="stop and revert slideshow"><img id="stop_ico" src="resources/32_stop.png" /></a>
+   <a href="javascript:nextSlide();" onclick="click(this);" title="slide to next photo"><img id="fwd_ico" src="resources/32_fwd.png" /></a>
+  </div>
  </body>
 {include file="footer.tpl"}
-- 
2.34.1